The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2015
Filed:
Mar. 20, 2012
Applicants:
Kazunori Inoue, Tokyo, JP;
Jun Tsutsumi, Tokyo, JP;
Kazuhiro Matsumoto, Tokyo, JP;
Takashi Matsuda, Tokyo, JP;
Inventors:
Kazunori Inoue, Tokyo, JP;
Jun Tsutsumi, Tokyo, JP;
Kazuhiro Matsumoto, Tokyo, JP;
Takashi Matsuda, Tokyo, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/70 (2006.01); H03H 9/72 (2006.01); H03H 9/02 (2006.01); H03H 3/02 (2006.01); H03H 3/08 (2006.01); H03H 9/56 (2006.01); H03H 9/64 (2006.01);
U.S. Cl.
CPC ...
H03H 9/706 (2013.01); Y10T 29/49155 (2015.01); H03H 3/02 (2012.01); H03H 3/08 (2013.01); H03H 9/02125 (2013.01); H03H 9/02913 (2013.01); H03H 9/02952 (2013.01); H03H 9/568 (2013.01); H03H 9/6483 (2013.01); H03H 9/725 (2013.01);
Abstract
An acoustic wave filter includes: a substrate; resonators that are arranged on the substrate and excite acoustic waves; a ground terminal on the substrate; interconnection lines interconnecting the resonators and connecting predetermined ones of the resonators to the ground terminal; and a shield electrode disposed so as to be close to and face the interconnection lines.